# Accident 20061021021189A: Helio H295, Lake Isabel, WA, October 21, 2006

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: October 21, 2006, 14:00 local time
- Place: Lake Isabel, WA
- Damage: Substantial damage
- Phase of flight: Forced/Precautionary Landing
- Operating rules: General operating rules (Part 91)
- Location: 47.8706° N, 121.5897° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=47.8706&lon=-121.5897&mi=10
- Aircraft: N6471V, registered now (https://openairdocs.org/aircraft/N6471V) (OpenAirDocs)
- Registry model: Helio H-295 (registry code 4300802, https://openairdocs.org/model/helio-h-295) (OpenAirDocs)
- Registry engine: Lycoming GO-480 series (registry code 41527, https://openairdocs.org/engine/lycoming-go-480-series) (OpenAirDocs)
- Reported make and model: HELIO H295
- Reported engine: LYC GO480*
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 414 total, 127 in this make and model, 136 in the last 90 days
- NTSB investigation: [NTSB SEA07LA009](https://openairdocs.org/ntsb/SEA07LA009) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20061021021189A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

(-23) AMPHIBIOUS AIRPLANE LOST POWER IMMEDIATELY AFTER TAKEOFF (LESS THAN 100 FEET IN ALTITUDE) FROM LAKE ISABEL, WASHINGTON. ENGINE CONTINUED TO OPERATE BUT PRODUCED ABOUT "TWO THIRDS" POWER AT FULL THROTTLE AND WOULD NOT MAINTAIN ALTITUDE. THE LAKE ELEVATION IS APPROXIMATELY 2,850 FEET. PIC ELECTED TO MAKE A 180 DEGREE TURN SINCE THERE WERE NO SUITABLE LANDING AREAS IN FRONT OF THE AIRCRAFT. AFTER COMPLETING THE TURN (LEVEL FLIGHT) THE AIRPLANE "LOST LIFT" AT APPROXIMATELY 35 FEET ABOVE THE LAKE. THE AIRCRAFT HIT THE SURFACE OF THE LAKE AND DAMAGED THE FLOATS. THE AIRCRAFT IMMEDIATELY SANK BELOW THE SURFACE. PILOT AND PASSENGER WERE ABLE TO ESCAPE WITH MINOR INJURIES TO THE PASSENGER. THE ESTIMATED DEPTH OF THE LAKE WHERE THE AIRPLANE SANK IS APPROXIMATELY 250 TO 300 FEET. IT IS YET TO BE DECIDED WHETHER TO SALVAGE THE AIRPLANE OR NOT.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB SEA07LA009](https://openairdocs.org/ntsb/SEA07LA009), Oct 21, 2006: Helio H-295 (N6471V), Lake Isabel, WA, substantial damage. Probable cause: The pilot's failure to maintain airspeed while maneuvering for a precautionary landing following a partial loss of engine power, which resulted in an inadvertent stall/mush and subsequent hard…

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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